Analysis
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max time kernel
37s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
25-11-2022 08:06
Static task
static1
Behavioral task
behavioral1
Sample
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Resource
win10v2004-20221111-en
General
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Target
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
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Size
3.6MB
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MD5
f57e30875c655be6268184dd08230757
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SHA1
ed56fc6bb382b1d4723f4a2452699f896e2568fc
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SHA256
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef
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SHA512
bd78fd6ce84fe83b3243b9ec7dac9871b93b5e6f8e5efd37f7ab6642850518b4e34bbf7c427d699db3cdb720eed2f12834cbf035f6c48de9ce8c8e0e8e64a961
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SSDEEP
49152:PplCbPQRUD0k1rczqGu34fYK/PkoqtXqfrioWf42N/YtG29nrPc7e6txJ6fSXf8t:CYoG0of5RqtXqfriR42N/29nzirtxJD
Malware Config
Signatures
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Registers COM server for autorun 1 TTPs 4 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ = "C:\\Program Files (x86)\\GoSavee\\bZal4AHjZTqiax.x64.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32 regsvr32.exe -
Loads dropped DLL 3 IoCs
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exeregsvr32.exepid process 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe 832 regsvr32.exe 268 regsvr32.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Installs/modifies Browser Helper Object 2 TTPs 8 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exedescription ioc process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\NoExplorer = "1" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee" regsvr32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\NoExplorer = "1" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\explorer\Browser Helper Objects\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe -
Drops file in Program Files directory 8 IoCs
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exedescription ioc process File opened for modification C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dll 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File created C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlb 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File opened for modification C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlb 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File created C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dat 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File opened for modification C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dat 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File created C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File opened for modification C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe File created C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dll 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe -
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exedescription ioc process Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3} regsvr32.exe Key deleted \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} regsvr32.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000\Software\Microsoft\Internet Explorer\ApprovedExtensionsMigration\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe -
Modifies registry class 64 IoCs
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID\ 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\ = "IEPluginLib" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ProxyStubClsid32 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\HELPDIR 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID\ = ".9" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32 regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSavee" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ = "GoSavee" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\ = "ILocalStorage" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories\{59FB2056-D625-48D0-A944-1A85B5AB2640} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0}\TypeLib\ = "{E2343056-CC08-46AC-B898-BFC7ACF4E755}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{7041156A-0D2B-4DCD-A8EE-D0608BFCB2D0} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\ = "IRegistry" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{EAF749DC-CD87-4B04-B22A-D4AC3FBCB2BC}\TypeLib\Version = "1.0" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID\ = ".9" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\ProgID 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\FLAGS\ = "0" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3}\Implemented Categories regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\ = "GoSavee" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.\CurVer\ = ".9" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E2343056-CC08-46AC-B898-BFC7ACF4E755}\1.0\0\win32\ = "C:\\Program Files (x86)\\GoSavee\\bZal4AHjZTqiax.tlb" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{9B41579A-1996-42F9-8F84-7B7786818CEF}\TypeLib\Version = "1.0" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSavee" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.\CLSID 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0FE54946-A94F-401A-BDA4-B6BFD4A2D9C3} 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\ = "GoSavee" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\..9\CLSID\ = "{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}" regsvr32.exe Key deleted \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\..9 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3}\VersionIndependentProgID 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe -
Suspicious use of WriteProcessMemory 14 IoCs
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exeregsvr32.exedescription pid process target process PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 1648 wrote to memory of 832 1648 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe PID 832 wrote to memory of 268 832 regsvr32.exe regsvr32.exe -
System policy modification 1 TTPs 2 IoCs
Processes:
31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID\{0fe54946-a94f-401a-bda4-b6bfd4a2d9c3} = "1" 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext\CLSID 31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe"C:\Users\Admin\AppData\Local\Temp\31d0c992f39f56d0291be6f945c960a924c630939b2d889bcf85c875f9e41bef.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in Program Files directory
- Modifies Internet Explorer settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1648 -
C:\Windows\SysWOW64\regsvr32.exeregsvr32.exe /s "C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:832 -
C:\Windows\system32\regsvr32.exe/s "C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dll"3⤵
- Registers COM server for autorun
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Modifies Internet Explorer settings
- Modifies registry class
PID:268
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.datFilesize
4KB
MD5b7ce74fe2df9de1bb45b68af92441d04
SHA1085c62b184998acba2c6c19cce48dceac7f7053b
SHA25670be6fc68cf11aa35ca416100108b5772f7056f191c9cdd16830a7e31772854a
SHA51269cffdcfcabee642d1e800c6cdcfdb6d22b538fb001495047e5b53129b1a323fa045c0c97ab21678ba24f8f0f48045af7127ba8ee567b2f27b41cb61ba8dee0e
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C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.tlbFilesize
3KB
MD5934268ece04f6de7c76bfed3478cf1d4
SHA1a4e0ca22b9db6bfcf061d76e8101ef7559813954
SHA256ab54518451a446e00679b2dbecd9285d8a96841ad27df558a2e0b6ce55252b8c
SHA512043fa5fd301b7bbdb6f9ee7766c46dfe5da897b7f7dd164372326416fdb1b7cb3c3809f1293b987077ded2664daf123f9bb217cb12c7d9bf923b1df6a2afccea
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C:\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dllFilesize
700KB
MD55bdec27c100693ecb0b61cc2555e8505
SHA1771242d417269c2f9150d649f06e6ec8e8bd8cb7
SHA256ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326
SHA5121b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4
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\Program Files (x86)\GoSavee\bZal4AHjZTqiax.dllFilesize
617KB
MD55b02fe261c5832aba1e2b35228934c17
SHA1b30aef32bfc7fb93add291dd7699d209fc3a60c1
SHA256af2632d8ad1a0b0e706f260de79b687cf94855d911bf5fc9d4b7007e256e7a6c
SHA512936b81acb1219be1c18b958f4fc3bd7c5c1ab617fa20e76db165f6ffdb2f674c602c18522980527d84cad7a93dcc79cb222e5e4a8b301298ec141a8b6eb26e72
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\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dllFilesize
700KB
MD55bdec27c100693ecb0b61cc2555e8505
SHA1771242d417269c2f9150d649f06e6ec8e8bd8cb7
SHA256ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326
SHA5121b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4
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\Program Files (x86)\GoSavee\bZal4AHjZTqiax.x64.dllFilesize
700KB
MD55bdec27c100693ecb0b61cc2555e8505
SHA1771242d417269c2f9150d649f06e6ec8e8bd8cb7
SHA256ca873de4e82bcaefde87f524b1284723ee61e70767bcb9f45f78a2e52547b326
SHA5121b4067351a9912bdd4ad0285470396273563336bad6029c2d05e48fb1fd9971c69115cca1ec46dc7ce37274c7c48a2364498cb180563f7871cd838aebbd8c6b4
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memory/268-65-0x0000000000000000-mapping.dmp
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memory/268-66-0x000007FEFBD41000-0x000007FEFBD43000-memory.dmpFilesize
8KB
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memory/832-61-0x0000000000000000-mapping.dmp
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memory/1648-54-0x0000000075BE1000-0x0000000075BE3000-memory.dmpFilesize
8KB
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memory/1648-55-0x0000000002930000-0x00000000029D2000-memory.dmpFilesize
648KB